| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251025 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |